Samson MDR1248 用户手册
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MDR1248 and MDR1688 Specifications
Mono input channels
Microphone input
electronically balanced, discrete input configuration
Frequency response
10Hz to 45kHz
Distortion
(THD & N) 0.005% at 4dBu, 1kHz
Gain range
0dB to +40dB (MIC)
SNR (Signal to Noise Ratio)
105dB
Line input
electronically balanced
Frequency response
10Hz to 45kHz
Distortion (THD & N)
0.005% at 4dBu, 1kHz
Sensitivity range
-10dBu to +30dBu
Stereo input Channels
Line input
Balanced
Frequency response
10Hz to 45kHz
Distortion (THD & N)
0.005% at +4dBu, 1kHz
Impedances
Microphone input
3k Ohm
Channel Insert return
2.5k Ohm
All other inputs
14.8k Ohm or greater
Tape out
1k Ohm
All other output
120 Ohm
Equalization
Mono Channels
Hi shelving
+/- 15dB @ 12kHz
Swept Mid bell
+/- 15dB @ 100 to 5kHz
Low shelving
+/- 15dB @ 80Hz
Low Cut filter
75Hz, 18dB/oct.
Stereo Channels
Hi shelving
+/- 15dB @12kHz
High Mid bell
+/- 15dB @ 3kHz
Low Mid bell
+/- 15dB @ 500Hz
Low shelving
+/- 15dB @80Hz
Main Mix Section
Noise (Bus noise)
Levels full down: -100dBr (ref.:+4dBu)
Level set to 0 dB: -90dBr (ref.:+4dBu)
Max output
+28dBu balanced XLR,
+22dBu impedance balanced, 1/4" jacks
3/4 Output Section
Noise (Bus noise)
Levels full down: -100dBr (ref.:+4dBu)
Level set to 0 dB - 90dBr (ref.:+4dBu)
Max output
+22dBu impedance balanced, 1/4" jacks
Control Room Output Section
Noise (Bus noise)
Levels full down: -100dBr (ref.:+4dBu)
Level set to 0 dB - 90dBr (ref.:+4dBu)
Max output
+22dBu impedance balanced, 1/4" jacks
Aux Section
AUX Return gain range
-∞ to +15dB
AUX Sends max out
+22dBu
Power supply (AC/AC Adaptor)
Power Consumption
15W
MDR1248
32W
MDR1688
39W
Main voltage
USA/Canada 108 - 132V, 60Hz
Europe 210 - 230V, 50Hz
U.K./Australia 240V, 50Hz
Physical
Net weight
MDR1248
9.79 lb. (4.45kg)
MDR1688
12.87 lb. (5.85kg)
Shipping weight
MDR1248
13.86 lb. (6.30kg)
MDR1688
18.92 lb. (8.60kg)
Dimension (W D H)
MDR1248
16” x 12.3” x 2.6” (405mm x 313mm x 65mm)
MDR1688
16” x 16.7” x 2.6” (405mm x 425mm x 65mm)
Specifications are subject to change without notice.